Tunisia's Prime Minister Hamadi Jebali on Thursday announced his new cabinet lineup, with key ministerial posts allotted to his dominant Islamist Ennahda party.

The list of 41 cabinet members was drawn up two months after Tunisia's first free elections on October 23, which chose an assembly tasked with writing a new constitution following the ousting of Zine El Abidine Ben Ali in January.

The Tunisian-Libyan border post of Ras Jdir reopened in both directions on Thursday after three weeks of being shut over security concerns, an Agence France Presse photographer said.

Tunisian Prime Minister Hamadi Jebali said he will submit the lineup of his new cabinet on Monday, the first freely elected government since the north African country's popular uprising.

"The final makeup of the government will be presented on Monday afternoon to President Moncef Marzouki before being submitted for approval by the constituent assembly on Wednesday or Thursday," Jebali said, quoted by the official TAP news agency.

Leaders of Syria's largest opposition movement met behind closed doors in Tunisia on Saturday to discuss ways of accelerating the downfall of President Bashar Assad.

Tunisia is hosting a three-day meeting of Syrian opposition groups formed before and since the launch of the March uprising against Assad's regime.

Thousands of Tunisians rallied on Saturday to commemorate a young fruitseller's desperate gesture a year ago which unleashed the pioneering revolution of the Arab Spring.

Newly-elected President Moncef Marzouki joined the crowds in the town of Sidi Bouzid, where Mohamed Bouazizi's altercation with a policewoman and his subsequent self-immolation set off a wave of protests that toppled long-standing dictators and dramatically changed the Arab world.

Tunisia's new President Moncef Marzouki said in an interview aired on Friday he was against foreign intervention in Syria, where thousands have been killed in months of anti-regime protests.

"Of course I am opposed to foreign intervention in Syria," he told France 24 in his first comments on the crisis in Syria since taking office Tuesday, after the first elections since the Arab Spring was unleashed in his country.

Tunisia's new President Moncef Marzouki has called on his compatriots for a six-month political and social truce to sort out the country's deep-rooted economic problems.

"I call on all Tunisians to give us a political and social truce, just for six months," Marzouki said on television late Wednesday, asking for "an end to the sit-ins and the strikes" in the north African country.

Tunisia's Hamadi Jebali, the number two in the moderate Islamist Ennahda party that won October elections, on Wednesday was tasked with forming the country's new government, the presidency said.

"The president of the Tunisian Republic Moncef Marzouki has decided to charge Hamadi Jebali with forming the government," the president's office said in a statement a day after Marzouki was official sworn in.

Tunisia's opposition veteran Moncef Marzouki on Tuesday was sworn in as the country's first elected president since the north African nation's revolution sparked the Arab Spring.

"I will be the guarantor of the national interests, the state of laws and institutions," Marzouki said with his hand on the Koran as he took his oath before the constituent assembly that elected him president on Monday.

Tunisia's constituent assembly on Saturday adopted a provisional constitution that will allow the north African country to name a government, a month and a half after its first post-revolution election.

The 217-member assembly approved each of the 26 clauses of the document individually to get state institutions back on the move before voting on the entire basic law.